Hellmann; Heinz-Dieter
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hellmann; Heinz-Dieter.The latest application filed is for "method and apparatus for early fault detection in centrifugal pumps".
- Hellmann; Heinz-Dieter - Kaiserslautern DE
- Hellmann; Heinz-Dieter - Grunstadt DE
| Patent | Date |
|---|---|
| Method and apparatus for early fault detection in centrifugal pumps Grant 6,877,947 - Hellmann , et al. April 12, 2 | 2005-04-12 |
| Method and apparatus for early fault detection in centrifugal pumps App 20040151581 - Hellmann, Heinz-Dieter ; et al. | 2004-08-05 |
| Centrifugal pump with open double volute casing Grant 4,383,800 - Becker , et al. May 17, 1 | 1983-05-17 |
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